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| author | The Android Open Source Project <initial-contribution@android.com> | 2008-12-17 18:08:08 -0800 |
|---|---|---|
| committer | The Android Open Source Project <initial-contribution@android.com> | 2008-12-17 18:08:08 -0800 |
| commit | 35237d135807af84bf9b0e5b8d7f8633e58db6f5 (patch) | |
| tree | d8bcf3ada2182d248604728285dd80abb466f22a /libpixelflinger/codeflinger/blending.cpp | |
| parent | 4f6e8d7a00cbeda1e70cc15be9c4af1018bdad53 (diff) | |
| download | system_core-35237d135807af84bf9b0e5b8d7f8633e58db6f5.tar.gz system_core-35237d135807af84bf9b0e5b8d7f8633e58db6f5.tar.bz2 system_core-35237d135807af84bf9b0e5b8d7f8633e58db6f5.zip | |
Code drop from //branches/cupcake/...@124589
Diffstat (limited to 'libpixelflinger/codeflinger/blending.cpp')
| -rw-r--r-- | libpixelflinger/codeflinger/blending.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/libpixelflinger/codeflinger/blending.cpp b/libpixelflinger/codeflinger/blending.cpp index 6d3b28201..f10217b74 100644 --- a/libpixelflinger/codeflinger/blending.cpp +++ b/libpixelflinger/codeflinger/blending.cpp @@ -50,6 +50,12 @@ void GGLAssembler::build_fog( integer_t factor(scratches.obtain(), 16, CORRUPTIBLE); CONTEXT_LOAD(factor.reg, generated_vars.f); + // clamp fog factor (TODO: see if there is a way to guarantee + // we won't overflow, when setting the iterators) + BIC(AL, 0, factor.reg, factor.reg, reg_imm(factor.reg, ASR, 31)); + CMP(AL, factor.reg, imm( 0x10000 )); + MOV(HS, 0, factor.reg, imm( 0x10000 )); + build_blendFOneMinusF(temp, factor, fragment, fogColor); } } |